Add HasMutatorFinished

To enforce that selects are only evaluated after a certain point
in a followup cl.

Bug: 323382414
Test: m nothing --no-skip-soong-tests
Change-Id: Ib215fedb904aa2e5f4d65cfd26a23f527eb4983e

1 files changed, 8 insertions, 0 deletions

diff --git a/android/singleton.go b/android/singleton.go
index 8542bd9e6..913bf6a56 100644
--- a/android/singleton.go
+++ b/android/singleton.go
@@ -90,6 +90,10 @@ type SingletonContext interface {
 
 	// OtherModulePropertyErrorf reports an error on the line number of the given property of the given module
 	OtherModulePropertyErrorf(module Module, property string, format string, args ...interface{})
+
+	// HasMutatorFinished returns true if the given mutator has finished running.
+	// It will panic if given an invalid mutator name.
+	HasMutatorFinished(mutatorName string) bool
 }
 
 type singletonAdaptor struct {
@@ -286,3 +290,7 @@ func (s *singletonContextAdaptor) otherModuleProvider(module blueprint.Module, p
 func (s *singletonContextAdaptor) OtherModulePropertyErrorf(module Module, property string, format string, args ...interface{}) {
 	s.blueprintSingletonContext().OtherModulePropertyErrorf(module, property, format, args...)
 }
+
+func (s *singletonContextAdaptor) HasMutatorFinished(mutatorName string) bool {
+	return s.blueprintSingletonContext().HasMutatorFinished(mutatorName)
+}